Allow clients to be more efficient.
llvm-svn: 12831
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
index a689135..8fc561e 100644
--- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
@@ -49,6 +49,10 @@
ModRefResult getModRefInfo(CallSite CS, Value *P, unsigned Size);
+ /// hasNoModRefInfoForCalls - We have no way to test one call against
+ /// another, unless they are pure or const.
+ virtual bool hasNoModRefInfoForCalls() const { return true; }
+
/// pointsToConstantMemory - Chase pointers until we find a (constant
/// global) or not.
bool pointsToConstantMemory(const Value *P);